Gunnery exercises in progress until 18 dec in area bound by 12-06.09N 120-36.82E, 12-06.15N 120-31.69E,…
Sulu Sea · HYDROPAC 3896/23
What this record establishes
Archived notice · 2023-12-19 00:01Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 447/23 120922Z DEC 23.. Issued 2023-12-12 10:19Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Sulu Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
- issued
- 2023-12-12 10:19Z
- status
- Archived notice
- self-cancels
- 2023-12-19 00:01Z
- authority
- NAVAREA XI 447/23 120922Z DEC 23.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Sulu Sea
- position
- 12.060, 120.571
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SULU SEA. PHILIPPINES. DNC 11. 1. GUNNERY EXERCISES IN PROGRESS UNTIL 18 DEC IN AREA BOUND BY 12-06.09N 120-36.82E, 12-06.15N 120-31.69E, 12-01.11N 120-31.62E, 12-01.00N 120-36.80E. 2. CANCEL THIS MSG 190001Z DEC 23.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · military exercises
68 within 180 nm since 2002 · 1 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Gunnery exercises 08 thru 18 dec in area bound by 14-42.63N 120-41.55E, 14-41.53N 120-36.54E, 14-36.73N…2025-12-03
- Gunnery exercises 16 thru 20 jun in area bound by 11-08.78N 118-58.60E, 11-08.78N 119-06.78E, 11-00.78N…2025-06-12
- Gunnery exercises 16 thru 20 jun in area bound by 10-21.24N 118-33.92E, 10-21.16N 118-42.09E, 10-13.11N…2025-06-12
- Gunnery exercises 09 thru 18 jun in area bound by 14-21.16N 120-29.28E, 14-16.96N 120-29.48E, 14-16.47N…2025-06-05
- Gunnery exercises in progress until 21 feb in area bound by 14-42.48N 120-36.48E, 14-43.64N 120-41.48E,…2025-01-28
- Gunnery exercises 24 thru 30 nov in area bound by 09-35.40N 118-54.97E, 09-35.40N 119-02.00E, 09-28.48N…2024-11-21
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- Submarine pipeline works by M/V fortitudeCable ops · 101 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-02 11:35Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.